Table 1.
Property | Middle | Old | p-value |
---|---|---|---|
E (GPa) | 13.7 ± 0.8 | 13.8 ± 1.5 | NS |
σb (MPa) | 201 ± 8 | 192 ± 16 | NS |
Toughness (N/mm3) | 25.9 ± 5.8 | 20.2 ± 4.7 | 0.0341 |
Po (%) | 6.0 ± 1.7 | 6.6 ± 1.4 | NS |
Min/Org | 2.12 ± 0.09 | 2.13 ± 0.09 | NS |
PE (mmol/mol) | 0.331 ± 0.111 | 0.794 ± 0.283 | 0.0005 |